This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 6 |
| 3 | 10 |
| 4 | 21 |
| 5 | 24 |
| 6 | 92 |
| 7 | 78 |
| 8 | 327 |
| 9 | 443 |
| 10 | 1632 |
| 11 | 1698 |
| 12 | 12769 |
| 13 | 10464 |
| 14 | 57840 |
| 15 | 122822 |
| 16 | 348222 |
| 17 | 476052 |
| 18 | 3597442 |
| 19 | 3401970 |
| 20 | 22006959 |
| 21 | 41597374 |
| 22 | 142677588 |
| 23 | 186077886 |
| 24 | 1476697627 |
| 25 | 1694658003 |
| 26 | 8147282460 |
| 27 | 15690973754 |
| 28 | 68149816689 |
| 29 | 84520682160 |
| 30 | 857935531804 |
| 31 | 664166389302 |
| 32 | 3620293575942 |
| 33 | 8422974597554 |
| 34 | 30656600391720 |
| 35 | 59561470990362 |